A tank 20m long,12m wide and 8m deep is to be made of iron sheet . it is open at the top . determine the cost of iron sheet , at the rate of rupees 12.50 per metre, if the sheet is 2.5 m wide
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Step-by-step explanation:
ANSWER
Area of sheet = Surface area of the tank
Surface area of the tank = Area of 4 walls of the tank + Area of its base
A=20×8+8×12+20×8+8×12+20×2
A=160+96+160+96+240
A=752m
2
Area of sheet = Surface area of the tank
L×2.5=752
L=300.8 m
Length of the sheet =300.8 m
∴ cost of the sheet =C=300.8×12.50
C=3760
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